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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Schizophrenia Schizoaffective Clear all
Completed Not applicable Interventional

Evaluating a Collaborative Care Model for the Treatment of Schizophrenia (EQUIP)

NCT00119574
View directory record Official record
Conditions
Schizophrenia Disorders, Chronic Illness, Schizoaffective Disorder, Weight Gain
Interventions
Collaborative Chronic Illness Model
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
West Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2015 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

Artemisinin to Reduce The Symptoms of Schizophrenia

NCT00753506
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Artemisinin, Identical looking placebo capsule
Dietary Supplement
Lead sponsor
Sheppard Pratt Health System
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2012 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

The Effects of Nicotine Withdrawal on Reward Responsivity in Schizophrenia

NCT00373126
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
transdermal nicotine patch
Drug
Lead sponsor
North Suffolk Mental Health Association
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 14, 2009 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Not applicable Interventional

Self-Management Training and Automated Telehealth to Improve SMI Health Outcomes

NCT02188732
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Depression
Interventions
CBHH+AT, CBHH+SMT, CBHH
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 26, 2021 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Multi-modal Assessment of Gamma-aminobutyric Acid (GABA) Function in Psychosis

NCT04004416
View directory record Official record
Conditions
Schizophrenia, Bipolar Disorder, Healthy, Psychosis, Schizophreniform Disorders, Schizo Affective Disorder, Major Depression With Psychotic Features
Interventions
Placebo and fMRI, Lorazepam and fMRI
Other · Drug
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 60 Years
Enrollment
143 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Jul 23, 2026, 11:09 AM EDT
Terminated Phase 4 Interventional

Alcoholism and Schizophrenia: Effects of Clozapine

NCT00169026
View directory record Official record
Conditions
Schizophrenia, Dual Diagnosis, Schizoaffective Disorder, Psychotic Disorder, Substance Abuse, Alcohol Abuse
Interventions
Clozapine versus typical (conventional) and atypical antipsychotic medications
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
19 Years to 65 Years
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 13, 2018 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

Development of a Mobile System for Self-management of Schizophrenia (SOS)

NCT01969500
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Mobile Application, Treatment as Usual (TAU)
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Manchester, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 12, 2019 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Oral Risperidone Versus Injectable Paliperidone Palmitate for Treating First-Episode Schizophrenia

NCT01451736
View directory record Official record
Conditions
Schizophrenia (Recent-onset)
Interventions
paliperidone palmitate, risperidone
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 10, 2022 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 3 Interventional Results available

A Probiotic Intervention to Prevent Relapse Following Hospitalization for Mania

NCT03383874
View directory record Official record
Conditions
Mania (Neurotic)
Interventions
Probio-Tec BG-VCap-6.5, Placebo
Combination Product · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced Jul 23, 2026, 11:09 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Obstructive Sleep Apnea Treatment in Serious Mental Illness

NCT05457127
View directory record Official record
Conditions
Schizoaffective Disorder, Schizophrenia, Bipolar Disorder, Obstructive Sleep Apnea of Adult
Interventions
Automatic Positive Airway Pressure (APAP)
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Jul 23, 2026, 11:09 AM EDT
Terminated Phase 4 Interventional Results available

Antipsychotic Effects on Brain Function in Schizophrenia

NCT01913327
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Aripiprazole, Risperidone, Modafinil
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 40 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2020 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Not applicable Interventional

Family-Directed Cognitive Adaptation Program for Individuals With Schizophrenia

NCT00434980
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Family-Directed Cognitive Adaptation Program
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
2
States / cities
Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 1 Interventional

A Study of Aripiprazole Lauroxil in Subjects With Schizophrenia or Schizoaffective Disorder

NCT02636842
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Aripiprazole Lauroxil
Drug
Lead sponsor
Alkermes, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
6
States / cities
Cerritos, California • Lemon Grove, California • Oakland, California + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2016 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Not applicable Interventional

Recovery From Psychosis in Schizophrenia - The Impact of Cognitive-Behavioral Therapy

NCT00791440
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder
Interventions
Cognitive-Behavior Therapy, Standard Psychiatric Treatment
Behavioral · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 4 Interventional Results available

Efficacy Study of Galantamine for Cognitive Impairments in Schizophrenia

NCT00176423
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
galantamine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 60 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 15, 2020 · Synced Jul 23, 2026, 11:09 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Cognitive Improvement With Aripiprazole (Abilify) in Patients With Schizophrenia (SFBRI)

NCT00211380
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
aripiprazole
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 6, 2011 · Synced Jul 23, 2026, 11:09 AM EDT
Suspended Not applicable Interventional

Cognitive Remediation for Coordinated Specialty Care

NCT03930251
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Clinic-Based Cognitive Remediation, Partial-Remote Cognitive Remediation
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 30 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
9
States / cities
Brooklyn, New York • New York, New York • Queens, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 4 Interventional Results available

Biomarker Study of Acamprosate in Schizophrenia

NCT00688324
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Acamprosate
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
4
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 24, 2019 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

Feasibility Electrical Stimulation Study for Visual Hallucinations

NCT04870710
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder
Interventions
transcranial electrical stimulation
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 50 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 4 Interventional Results available

Demonstrate the Effects of Pramlintide on Weight Reduction in Schizophrenia

NCT00690235
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Diabetes, Weight Gain
Interventions
Pramlintide, Placebo
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 15, 2018 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 2 Interventional

To Evaluate the Impact of Treatment Interruption on Re-initiation of Bifeprunox

NCT00141479
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Bifeprunox
Drug
Lead sponsor
Solvay Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
Wichita, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 15, 2015 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 2 Interventional Results available

A Double-Blind Trial of Adjunctive Valacyclovir to Improve Cognition in Early Phase Schizophrenia

NCT02008773
View directory record Official record
Conditions
Schizophrenia
Interventions
Valacyclovir HCI 500 mg tablets, placebo
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 40 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
13
States / cities
Bellflower, California • Los Angeles, California • Riverside, California + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Not applicable Interventional Results available

An Integrated Program for the Treatment of First Episode of Psychosis

NCT01321177
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Schizophreniform Disorder, Brief Psychotic Disorder, Psychotic Disorder NOS
Interventions
Integrated Treatment, Community Care
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
15 Years to 40 Years
Enrollment
404 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
33
States / cities
San Fernando, California • Santa Clarita, California • Denver, Colorado + 30 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Jul 23, 2026, 11:09 AM EDT
Completed Phase 4 Interventional Results available

Exenatide Weekly Injections as an Adjunctive Treatment in Patients With Schizophrenia

NCT02417142
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Exenatide, Placebo
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Jul 23, 2026, 11:09 AM EDT